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T81L0003B Datasheet(PDF) 1 Page - Taiwan Memory Technology |
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T81L0003B Datasheet(HTML) 1 Page - Taiwan Memory Technology |
1 / 16 page TE CH tm T81L0003B TM Technology Inc. reserves the right P. 1 Publication Date: NOV. 2005 to change products or specifications without notice. Revision:A 8-bit MCU 1. Features ! Compatible with MCS-51 ! Embedded 8K Bytes OTP ROM ! 256 x 8-bit Internal RAM ! 13 Programmable I/O Lines for 18-pin Package ! 2 16-bit Timer/Counter & 1 16-bit Timer ! 2 External Interrupt Input ! Programmable Serial UART Interface ! Low Power Idle & Power-down Modes ! Watch-dog Timer ! On-chip Crystal & RC Oscillator (Selected by Bonding Option) ! Internal Power-on Reset and External Reset Supported ! SOP18/DIP18 Package ! 3.3V Operating Voltage 2. General Description The T81L0003B is 8-bit microcontroller designed and developed with low power and high speed CMOS technology. It contains a 8K bytes OTP ROM, a 256 × 8 RAM, 13 I/O lines, a watchdog timer, two 16-bit counter/timers, a seven source, two-priority level nested interrupt structure, a full duplex UART, and an on-chip oscillator and clock circuits. In addition, the T81L0003B has two selectable modes of power reduction-idle mode and power-down mode. The idle mode freezes the CPU while allowing the RAM, timers, serial port, and interrupt system to continue functioning. The power-down mode saves the RAM contents but freezes the oscillator, causing all other chip functions to be inoperative. |
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